Property and Equipment - Summary of Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 670	$ 812
Less: accumulated depreciation and amortization	(495)	(544)
Property and equipment—net	175	268
Computer Equipment and Software
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	524	454
Furniture, Fixtures and Equipment
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	94	311
Leasehold Improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 52	$ 47

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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